/* * This sketch sends data via HTTP GET requests to data.sparkfun.com service. * * You need to get streamId and privateKey at data.sparkfun.com and paste them * below. Or just customize this script to talk to other HTTP servers. * */ #include const char* ssid = "your-ssid"; const char* password = "your-password"; const char* host = "data.sparkfun.com"; const char* streamId = "...................."; const char* privateKey = "...................."; void setup() { Serial.begin(115200); delay(10); // We start by connecting to a WiFi network Serial.println(); Serial.println(); Serial.print("Connecting to "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } Serial.println(""); Serial.println("WiFi connected"); Serial.println("IP address: "); Serial.println(WiFi.localIP()); } int value = 0; void loop() { delay(5000); ++value; Serial.print("connecting to "); Serial.println(host); // Use WiFiClient class to create TCP connections WiFiClient client; const int httpPort = 80; if (!client.connect(host, httpPort)) { Serial.println("connection failed"); return; } // We now create a URI for the request String url = "/input/"; url += streamId; url += "?private_key="; url += privateKey; url += "&value="; url += value; Serial.print("Requesting URL: "); Serial.println(url); // This will send the request to the server client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n\r\n"); unsigned long timeout = millis(); while (client.available() == 0) { if (millis() - timeout > 5000) { Serial.println(">>> Client Timeout !"); client.stop(); return; } } // Read all the lines of the reply from server and print them to Serial while(client.available()) { String line = client.readStringUntil('\r'); Serial.print(line); } Serial.println(); Serial.println("closing connection"); }